package com.example.forum.controller;


import com.example.forum.common.AppResult;
import com.example.forum.common.ResultCode;
import com.example.forum.exception.ApplicationException;
import com.example.forum.model.Board;
import com.example.forum.services.IBoardService;
import io.swagger.annotations.Api;
import io.swagger.annotations.ApiOperation;
import io.swagger.annotations.ApiParam;
import lombok.NonNull;
import lombok.extern.slf4j.Slf4j;
import org.springframework.beans.factory.annotation.Value;
import org.springframework.web.bind.annotation.GetMapping;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RequestParam;
import org.springframework.web.bind.annotation.RestController;

import javax.annotation.Resource;
import java.util.ArrayList;
import java.util.List;

@Slf4j
@Api(tags = "板块接口")
@RestController
@RequestMapping("/board")
public class BoardController {

    @Value("${forum.index.board-num:9}")
    private Integer indexBoardNum;

    @Resource
    private IBoardService boardService;

    /**
     * 查询首页板块列表
     * @return
     */
    @ApiOperation("获取板块首页列表")
    @GetMapping("topList")
    public AppResult<List<Board>> topList() {
        log.info("首页板块配置数值：" + indexBoardNum);
        List<Board> boards = boardService.selectByNum(indexBoardNum);
        if(boards == null) {
            boards = new ArrayList<>();
        }
        //返回结果
        return AppResult.success(boards);
    }

    @ApiOperation("获取版块信息")
    @GetMapping("/getById")
    public AppResult<Board> getById(@ApiParam("版块id")@RequestParam("id")@NonNull Long id) {
        //调用service
          Board board = boardService.selectById(id);
          //对结果进行校验
          if (board == null || board.getDeleteState() == 1) {
              log.warn(ResultCode.FAILED_BOARD_NOT_EXISTS.toString());
              throw new ApplicationException(AppResult.failed(ResultCode.FAILED_BOARD_NOT_EXISTS));
          }

          return AppResult.success(board);
    }
}
